Answer
See below.
Work Step by Step
Using the given identities: $\csc^2(x)(1-\sin^2(x))=(\frac{1}{\sin(x)})^2(\cos^2(x))=(\frac{\cos(x)}{\sin(x)})^2=\cot^2(x)$.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.3 Verify Trigonometric Identities - Guided Practice for Examples 4, 5, and 6 - Page 927: 7
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